Side by side comparison and review of Bose QuietComfort 45 and Poly Blackwire 3320-M. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | 18.4 cm | 17.8 cm | |
| Width | 15.2 cm | 15.5 cm | |
| Depth | 7.62 cm | 3.2 cm | |
| Weight | 241 g | 130 g | Poly Blackwire 3320-M are lighter than Bose QuietComfort 45 headphones. |
| Dimensions & Weight Details | Case: 14.5 cm x 5.08 cm x 21.1 cm / 188 g | - | |
| Colour | Black | Smoke white | Triple black | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 9 m | - |
| SOUND QUALITY | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.1 | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Acoustic Noise Cancelling | SoundGuard | |
| Noise Isolating | Yes | - | Bose QuietComfort 45 are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 116 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | - | 32 mm | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Cable Type | USB-C to USB-A cable - detachable - 30 cm | - |
|---|
| BATTERY AND CHARGING | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 460 mAh | - | |
| Battery Life | 24 hour(s) | - | |
| Charging Time | 2.5 hour(s) | - |
| CONNECTIONS | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | Bose QuietComfort 45 | Poly Blackwire 3320-M |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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